Make sure you flash the bios for the most updated compatability.
Older bios will not recognize the new codes.
Also I believe it will give better fsb options.
The P!!! 700e SL4C3 slot 1 chip rocks!
I have grabbed three of these already, one I nailed for 189.00 in January from my local vendor.
the other two tested and gauranteed from PCNUT for 210 ea shipped.
I've had these chips up to 1050 on a be6 and a p3v4x board.
good luck!!
smokin!!